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sources/apps/calendar/lib/sabre/calendar.php
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<?php
/**
* ownCloud - OC_Connector_Sabre_Sabre_CalDAV_Calendar
*
* @author Thomas Tanghus
* @copyright 2012 Thomas Tanghus (thomas@tanghus.net)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class overrides Sabre_CalDAV_Calendar::getACL() to return read/write
* permissions based on user and shared state and it overrides
* Sabre_CalDAV_Calendar::getChild() and Sabre_CalDAV_Calendar::getChildren()
* to instantiate OC_Connector_Sabre_CalDAV_CalendarObjects.
*/
class OC_Connector_Sabre_CalDAV_Calendar extends Sabre_CalDAV_Calendar {
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
public function getACL() {
$readprincipal = $this->getOwner();
$writeprincipal = $this->getOwner();
$uid = OC_Calendar_Calendar::extractUserID($this->getOwner());
if($uid != OCP\USER::getUser()) {
if($uid === 'contact_birthdays') {
$readprincipal = 'principals/' . OCP\User::getUser();
} else {
$sharedCalendar = OCP\Share::getItemSharedWithBySource('calendar', $this->calendarInfo['id']);
if ($sharedCalendar && ($sharedCalendar['permissions'] & OCP\PERMISSION_READ)) {
$readprincipal = 'principals/' . OCP\User::getUser();
}
if ($sharedCalendar && ($sharedCalendar['permissions'] & OCP\PERMISSION_UPDATE)) {
$writeprincipal = 'principals/' . OCP\User::getUser();
}
}
}
return array(
array(
'privilege' => '{DAV:}read',
'principal' => $readprincipal,
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $writeprincipal,
'protected' => true,
),
array(
'privilege' => '{DAV:}read',
'principal' => $readprincipal . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $writeprincipal . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}read',
'principal' => $readprincipal . '/calendar-proxy-read',
'protected' => true,
),
array(
'privilege' => '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}read-free-busy',
'principal' => '{DAV:}authenticated',
'protected' => true,
),
);
}
/**
* Returns a calendar object
*
* The contained calendar objects are for example Events or Todo's.
*
* @param string $name
* @return Sabre_DAV_ICalendarObject
*/
public function getChild($name) {
$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'],$name);
if (!$obj) {
throw new Sabre_DAV_Exception_NotFound('Calendar object not found');
}
return new OC_Connector_Sabre_CalDAV_CalendarObject($this->caldavBackend,$this->calendarInfo,$obj);
}
/**
* Returns the full list of calendar objects
*
* @return array
*/
public function getChildren() {
$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
$children = array();
foreach($objs as $obj) {
$children[] = new OC_Connector_Sabre_CalDAV_CalendarObject($this->caldavBackend,$this->calendarInfo,$obj);
}
return $children;
}
}
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